US PATENT SUBCLASS 53 / 133.8
.~.~.~ Cover weakened for tearing, e.g., having integral tear strip

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

128.1  DF  WITH COVER-ADJUNCT APPLICATION OR FORMATION {13}
133.1  DF  .~ Adjunct comprising provision to allow access to contents, e.g., spout, straw, drain, opening, etc. {2}
133.3  DF  .~.~ Adjunct comprising provision to open package {3}
133.8.~.~.~ Cover weakened for tearing, e.g., having integral tear strip

DEFINITION

Classification: 53/133.8

Cover weakened for tearing, e.g., having integral tear strip:

(under subclass 133.3) Apparatus wherein the supplied access comprises a portion of the cover* having less strength than other portions thereof, so that upon application of sufficient force the cover will rend such that the contents can be removed or added.